Buyback
Share Buyback · Share Repurchase
The company buys back its own shares from the market and retires them — remaining shareholders gain a larger ownership stake.
What it is
A buyback (share repurchase) occurs when a company uses free cash to purchase its own shares on the market. Repurchased shares are either retired (reducing the share count) or held as treasury shares.
Effect on EPS: Fewer shares outstanding → same earnings divided by fewer shares → EPS increases even without any absolute earnings growth.
Effect on ownership stake: If you own 1% of the company and the company buys back 5% of shares, your stake rises to ~1.05% — without you buying anything.
Why track it
Buybacks are one way management returns value to shareholders (alongside dividends). They are more tax-efficient than dividends — shareholders only pay capital gains tax when they sell, not automatically.
Signal effect: Active buybacks are traditionally interpreted as a signal that management believes the stock is undervalued. Companies rarely repurchase shares when they think they are overpriced.
Monitor buyback yield = annual buyback volume / market cap. Combine with dividend yield → total shareholder yield.
Real-world example
Microsoft FY2025: Returned ~$9B via buybacks + ~$22B in dividends to shareholders. Total shareholder yield ~1.1% at market cap of $2.75T — relatively low, but the company prefers reinvestment into AI growth.
Watch out for
Buybacks are only beneficial if the company is buying shares below intrinsic value. If management repurchases overpriced shares just to "meet EPS expectations," it is value destruction. Always assess whether alternative uses of cash (investment, acquisitions) would not create higher value.